6628861184 has 72 divisors (see below), whose sum is σ = 14498108352. Its totient is φ = 2999889920.

The previous prime is 6628861171. The next prime is 6628861229. The reversal of 6628861184 is 4811688266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651077 + ... + 661179.

It is an arithmetic number, because the mean of its divisors is an integer number (201362616).

Almost surely, 2^6628861184 is an apocalyptic number.

6628861184 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6628861184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7249054176).

6628861184 is an abundant number, since it is smaller than the sum of its proper divisors (7869247168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6628861184 is a wasteful number, since it uses less digits than its factorization.

6628861184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10363 (or 10349 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 6628861184 is about 81417.8185902816. The cubic root of 6628861184 is about 1878.5076794673.

The spelling of 6628861184 in words is "six billion, six hundred twenty-eight million, eight hundred sixty-one thousand, one hundred eighty-four".